Home / 30,562.36-42,166.08-17,812.62

Finding the Fourth Proportional to 30,562.36, 42,166.08 and 17,812.62

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Solution

The fourth proportional to 30,562.36, 42,166.08 and 17,812.62 is: 24,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.36 : 42,166.08 = 17,812.62 : x
  2. Step 2: Convert to fraction form
    30,562.36/42,166.08 = 17,812.62/x
  3. Step 3: Cross multiply
    30,562.36x = 42,166.08 × 17,812.62
  4. Step 4: Simplify right side
    30,562.36x = 751,088,359.93
  5. Step 5: Solve for x
    x = 751,088,359.93/30,562.36
  6. Step 6: Final answer
    x = 24,575.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.